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A246972
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(n+1)^2 concatenated with n^2.
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5
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10, 41, 94, 169, 2516, 3625, 4936, 6449, 8164, 10081, 121100, 144121, 169144, 196169, 225196, 256225, 289256, 324289, 361324, 400361, 441400, 484441, 529484, 576529, 625576, 676625, 729676, 784729, 841784, 900841, 961900, 1024961, 10891024, 11561089, 12251156, 12961225, 13691296
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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Table[FromDigits[Join[Flatten[IntegerDigits[{(n + 1)^2, n^2}]]]], {n, 0, 50}] (* Vincenzo Librandi, Sep 13 2014 *)
FromDigits/@(Join[IntegerDigits[#[[2]]], IntegerDigits[#[[1]]]]&/@ Partition[ Range[0, 40]^2, 2, 1]) (* Harvey P. Dale, Apr 16 2015 *)
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PROG
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(Magma) [10] cat [Seqint(Intseq(n^2) cat Intseq(n^2+2*n+1)): n in [1..50]]; // Vincenzo Librandi, Sep 13 2014
(Python)
....return int(str((n+1)**2)+str(n**2)) # Chai Wah Wu, Sep 13 2014
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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